Question about Toshiba 57H81 57" Rear Projection Television

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Black, Red and yellow triangle in upper right corner of the scrn.

Hello I have a Toshiba 57H81 57 in rear projection TV that is only about 5 years old. Yesturday, A black triangle appeared in the upper right corner of the screen outside of that is a red bar that also is on a 45 degree angle adjasent to the triangle, and finaly outside of that is a yellow bar also on a 45 degree angle, adjasent to the red bar. The rest of the picture looks fine, except the color might be a little off across the top. - I have messed with the convergance and the touch focus, and neither made a difference. The problem occurs on any of the inputs.

- Hope someone can help.

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  • burrville144 Jan 26, 2009

    Thanks for the update. I actually did a lot of research and found that it looks like these convergence IC's go bad a lot for these Toshiba TV's. So I got brave and tore open the TV to confirm which model convergence IC's that I had in my unit. I was looking around inside and shown my flashlight through the screen from behind, and the black triangle was there. Super Cheap Fix. There was some black, anti-reflectice sticky paper on the sides inside the cabinet that had come off in the upper right corner. Stuck it back up and whala - Problem Solved. Lucky Me !!!!

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YOU HAVE A CONVERGENCE PROBLEM IC'S WILL NEED TO BE REPLACED. THE FACT THAT THE LINES DID NOT MOVE WHEN YOU TRIED TO ADJUST THEM CONFIRMS IT.

Posted on Jan 23, 2009

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